Another volume in the Universal Reference Library, the present is based Rudolf Stephan's Fischer Lexikon, with material added for the American reader -- ller treatment of American, French and Italian music, extended coverage of the Song, Symphony, Opera, Oratorio, new contributions on Jazz and the History of Music. The A-Z listing includes Acoustics-Variation coverage under such headings as Ancient Music, Instruments, Trope and Sequence, and forms a definition-history of the subject. A glossary of technical terms used in the book, of other foreign musical terms, of performing media, biographical dictionary and bibliography complete a sound, accessible volume.